Shop 50.64ct Natural Cat's Eye Aquamarine from Sri Lanka (22.88x18.06x16.88mm). This rare greenish-blue gemstone features a mesmerizing chatoyancy and excellent transparency. Completely untreated and ranking 8 on the Mohs scale, this certified collector's piece is ideal for high-end investment portfolios or unique fine jewelry creations. Origin: Sri Lanka | Weight: 50.64ct | Effect: Cat's Eye | Treatment: None | Clarity: Transparent.